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No they do not. The former is plain past form. The latter is polite non-past form. I don't know why you are comparing particularly those two forms. It just looks as if you randomly choose two forms.
–
user458Feb 4 '12 at 5:49

4

Why be so harsh on someone asking a simple question? Yes, they have mixed up two unrelated verb forms... that's why they are asking! Everyone has to start somewhere. Lighten up.
–
QuestionerFeb 4 '12 at 7:17

1

Can you give us examples? Then the answer will be more concrete.
–
shinFeb 4 '12 at 13:00